Martin® Authentic Acoustic® Superior Performance SP® strings feature higher tensile strength and tin-plated core wire on all six strings that enable a fuller and more balanced tone, quicker response and increased tuning stability. Our impeccable standards for acoustic guitar tone are embedded in our string design and precision manufacturing process. That's why we make our own.
Product Features:
Warranty period: 12 Months
Gauges: .011, .015, .023, .032, .042, .052
Phosphor bronze acoustic strings designed with Martin’s highest tensile strength core wire
Versatile acoustic tone with outstanding body, projection, and tuning stability
Prized for easy fretting and bending with superior flex
Tin-plated for extra durability and corrosion resistance